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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/test/common/mocks/mock_driver_info.h"
#include "shared/test/common/mocks/mock_driver_model.h"
#include "shared/test/common/mocks/mock_product_helper.h"
#include "shared/test/common/test_macros/test.h"
#include "level_zero/sysman/source/shared/linux/kmd_interface/sysman_kmd_interface.h"
#include "level_zero/sysman/source/shared/linux/sysman_fs_access_interface.h"
#include "level_zero/sysman/test/unit_tests/sources/linux/mock_sysman_fixture.h"
#include "level_zero/sysman/test/unit_tests/sources/linux/mocks/mock_sysman_product_helper.h"
namespace NEO {
namespace SysCalls {
extern bool allowFakeDevicePath;
} // namespace SysCalls
} // namespace NEO
namespace L0 {
extern bool sysmanInitFromCore;
namespace Sysman {
namespace ult {
struct dirent mockEntries[] = {
{0, 0, 0, 0, "."},
{0, 0, 0, 0, "mockDir1"},
{0, 0, 0, 0, "mockDir2"},
};
inline static int mockStatFailure(const std::string &filePath, struct stat *statbuf) noexcept {
return -1;
}
inline static int mockStatFailure2(const std::string &filePath, struct stat *statbuf) noexcept {
statbuf->st_mode = S_IWUSR | S_IRUSR;
return 0;
}
inline static int mockStatSuccess(const std::string &filePath, struct stat *statbuf) noexcept {
statbuf->st_mode = S_IWUSR | S_IRUSR | S_IFREG;
return 0;
}
inline static int mockStatNoPermissions(const std::string &filePath, struct stat *statbuf) noexcept {
statbuf->st_mode = 0;
return 0;
}
TEST_F(SysmanDeviceFixture, GivenValidSysmanKmdInterfaceWhenCallingListDirectoriesThenSuccessIsReturned) {
auto pSysmanKmdInterface = pLinuxSysmanImp->getSysmanKmdInterface();
auto pFsAccess = pSysmanKmdInterface->getFsAccess();
const uint32_t numEntries = sizeof(mockEntries) / sizeof(mockEntries[0]);
VariableBackup<decltype(NEO::SysCalls::sysCallsOpendir)> mockOpendir(&NEO::SysCalls::sysCallsOpendir, [](const char *name) -> DIR * {
return reinterpret_cast<DIR *>(0xc001);
});
VariableBackup<decltype(NEO::SysCalls::sysCallsReaddir)> mockReaddir(
&NEO::SysCalls::sysCallsReaddir, [](DIR * dir) -> struct dirent * {
static uint32_t entryIndex = 0u;
if (entryIndex >= numEntries) {
entryIndex = 0;
return nullptr;
}
return &mockEntries[entryIndex++];
});
VariableBackup<decltype(NEO::SysCalls::sysCallsClosedir)> mockClosedir(&NEO::SysCalls::sysCallsClosedir, [](DIR *dir) -> int {
return 0;
});
std::vector<std::string> listFiles;
EXPECT_EQ(ZE_RESULT_SUCCESS, pFsAccess->listDirectory("MockDir", listFiles));
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingDirectoryExistsWithValidAndInvalidPathThenSuccessAndFailureAreReturnedRespectively) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
NEO::SysCalls::allowFakeDevicePath = true;
char cwd[PATH_MAX];
std::string path = getcwd(cwd, PATH_MAX);
EXPECT_TRUE(tempFsAccess->directoryExists(path));
NEO::SysCalls::allowFakeDevicePath = false;
path = "invalidDiretory";
EXPECT_FALSE(tempFsAccess->directoryExists(path));
delete tempFsAccess;
}
TEST_F(SysmanDeviceFixture, GivenPublicSysfsAccessClassWhenCallingDirectoryExistsWithInvalidPathThenFalseIsRetured) {
PublicFsAccess *tempSysfsAccess = new PublicFsAccess();
std::string path = "invalidDiretory";
EXPECT_FALSE(tempSysfsAccess->directoryExists(path));
delete tempSysfsAccess;
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingCanWriteWithUserHavingWritePermissionsThenSuccessIsReturned) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatSuccess);
char cwd[PATH_MAX];
std::string path = getcwd(cwd, PATH_MAX);
EXPECT_EQ(ZE_RESULT_SUCCESS, tempFsAccess->canWrite(path));
delete tempFsAccess;
}
TEST_F(SysmanDeviceFixture, GivenValidSysmanDeviceHandleWhenCallingSysmanFromHandleThenValidSysmanDeviceIsReturned) {
zes_device_handle_t validHandle = pSysmanDevice->toHandle();
SysmanDevice *sysmanDevice = SysmanDevice::fromHandle(validHandle);
EXPECT_NE(nullptr, sysmanDevice);
EXPECT_EQ(pSysmanDevice, sysmanDevice);
}
TEST_F(SysmanDeviceFixture, GivenInvalidSysmanDeviceHandleWhenCallingSysmanFromHandleThenNullptrIsReturned) {
zes_device_handle_t invalidHandle = nullptr;
EXPECT_EQ(nullptr, SysmanDevice::fromHandle(invalidHandle));
}
TEST_F(SysmanDeviceFixture, GivenValidSysmanDeviceHandleAndGivenGlobalSysmanDriverIsNullptrWhenCallingSysmanFromHandleThenValidSysmanDeviceIsReturned) {
zes_device_handle_t validHandle = pSysmanDevice->toHandle();
L0::Sysman::globalSysmanDriver = nullptr;
EXPECT_EQ(nullptr, SysmanDevice::fromHandle(validHandle));
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingCanReadWithUserHavingReadPermissionsThenSuccessIsReturned) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatSuccess);
char cwd[PATH_MAX];
std::string path = getcwd(cwd, PATH_MAX);
EXPECT_EQ(ZE_RESULT_SUCCESS, tempFsAccess->canRead(path));
delete tempFsAccess;
}
TEST_F(SysmanMultiDeviceFixture, GivenInvalidSysmanDeviceHandleWhenCallingSysmanDeviceFunctionsforMultipleDevicesThenUninitializedErrorIsReturned) {
zes_device_handle_t invalidHandle = nullptr;
uint32_t count = 0;
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::performanceGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::powerGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::powerGetCardDomain(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::frequencyGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::fabricPortGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::temperatureGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::standbyGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetProperties(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetSubDeviceProperties(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::processesGetState(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceReset(invalidHandle, false));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetState(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::engineGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetProperties(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetState(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetBars(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciLinkSpeedUpdateExp(invalidHandle, true, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetStats(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::schedulerGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::rasGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::memoryGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::fanGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::diagnosticsGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::firmwareGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEventRegister(invalidHandle, u_int32_t(0)));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEccAvailable(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEccConfigurable(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetEccState(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceSetEccState(invalidHandle, nullptr, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceResetExt(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::fabricPortGetMultiPortThroughput(invalidHandle, count, nullptr, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEnumEnabledVF(invalidHandle, &count, nullptr));
}
TEST_F(SysmanDeviceFixture, GivenInvalidSysmanDeviceHandleWhenCallingSysmanDeviceFunctionsThenUninitializedErrorIsReturned) {
zes_device_handle_t invalidHandle = nullptr;
uint32_t count = 0;
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::performanceGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::powerGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::powerGetCardDomain(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::frequencyGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::fabricPortGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::temperatureGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::standbyGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetProperties(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetSubDeviceProperties(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::processesGetState(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetState(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceReset(invalidHandle, false));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::engineGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetProperties(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetState(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetBars(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::pciGetStats(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::schedulerGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::rasGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::memoryGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::fanGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::diagnosticsGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::firmwareGet(invalidHandle, &count, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEventRegister(invalidHandle, u_int32_t(0)));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEccAvailable(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceEccConfigurable(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceGetEccState(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceSetEccState(invalidHandle, nullptr, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::deviceResetExt(invalidHandle, nullptr));
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, SysmanDevice::fabricPortGetMultiPortThroughput(invalidHandle, count, nullptr, nullptr));
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingCanWriteWithUserNotHavingWritePermissionsThenInsufficientIsReturned) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatNoPermissions);
char cwd[PATH_MAX];
std::string path = getcwd(cwd, PATH_MAX);
EXPECT_EQ(ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS, tempFsAccess->canWrite(path));
delete tempFsAccess;
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingCanReadWithUserNotHavingReadPermissionsThenInsufficientIsReturned) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatNoPermissions);
char cwd[PATH_MAX];
std::string path = getcwd(cwd, PATH_MAX);
EXPECT_EQ(ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS, tempFsAccess->canRead(path));
delete tempFsAccess;
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingCanReadWithInvalidPathThenErrorIsReturned) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatFailure);
std::string path = "invalidPath";
EXPECT_EQ(ZE_RESULT_ERROR_UNKNOWN, tempFsAccess->canRead(path));
delete tempFsAccess;
}
TEST_F(SysmanDeviceFixture, GivenPublicFsAccessClassWhenCallingCanWriteWithInvalidPathThenErrorIsReturned) {
PublicFsAccess *tempFsAccess = new PublicFsAccess();
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatFailure);
std::string path = "invalidPath";
EXPECT_EQ(ZE_RESULT_ERROR_UNKNOWN, tempFsAccess->canRead(path));
delete tempFsAccess;
}
TEST_F(SysmanDeviceFixture, GivenValidPathnameWhenCallingFsAccessExistsThenSuccessIsReturned) {
VariableBackup<bool> allowFakeDevicePathBackup(&SysCalls::allowFakeDevicePath, true);
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatSuccess);
auto fsAccess = &pLinuxSysmanImp->getFsAccess();
char cwd[PATH_MAX];
std::string path = getcwd(cwd, PATH_MAX);
EXPECT_TRUE(fsAccess->fileExists(path));
}
TEST_F(SysmanDeviceFixture, GivenStatCallFailsWhenCallingFsAccessExistsThenErrorIsReturned) {
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatFailure);
auto fsAccess = &pLinuxSysmanImp->getSysfsAccess();
std::string path = "";
EXPECT_FALSE(fsAccess->fileExists(path));
}
TEST_F(SysmanDeviceFixture, GivenPathIsNotOfFileTypeWhenCallingFsAccessExistsThenErrorIsReturned) {
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatFailure2);
auto fsAccess = &pLinuxSysmanImp->getSysfsAccess();
std::string path = "";
EXPECT_FALSE(fsAccess->fileExists(path));
}
TEST_F(SysmanDeviceFixture, GivenInvalidPathnameWhenCallingFsAccessExistsThenErrorIsReturned) {
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatSuccess);
auto fsAccess = &pLinuxSysmanImp->getFsAccess();
std::string path = "noSuchFileOrDirectory";
EXPECT_FALSE(fsAccess->fileExists(path));
}
TEST_F(SysmanDeviceFixture, GivenInvalidPathnameWhenCallingSysFsAccessScanDirEntriesThenErrorIsReturned) {
auto pSysFsAccess = &pLinuxSysmanImp->getSysfsAccess();
std::string path = "noSuchDirectory";
std::vector<std::string> listFiles;
EXPECT_NE(ZE_RESULT_SUCCESS, pSysFsAccess->scanDirEntries(path, listFiles));
}
TEST_F(SysmanDeviceFixture, GivenSysfsAccessClassAndIntegerWhenCallingReadOnMultipleFilesThenSuccessIsReturned) {
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return 1;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsPread)> mockPread(&NEO::SysCalls::sysCallsPread, [](int fd, void *buf, size_t count, off_t offset) -> ssize_t {
std::string value = "123";
memcpy(buf, value.data(), value.size());
return value.size();
});
PublicSysfsAccess *tempSysfsAccess = new PublicSysfsAccess();
std::string fileName = {};
int iVal32;
for (auto i = 0; i < L0::Sysman::FdCacheInterface::maxSize + 2; i++) {
fileName = "mockfile" + std::to_string(i) + ".txt";
EXPECT_EQ(ZE_RESULT_SUCCESS, tempSysfsAccess->read(fileName, iVal32));
}
delete tempSysfsAccess;
}
TEST_F(SysmanDeviceFixture, GivenValidMockMutexFsAccessWhenCallingReadThenMutexLockCounterMatchesNumberOfReadCalls) {
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return 1;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsPread)> mockPread(&NEO::SysCalls::sysCallsPread, [](int fd, void *buf, size_t count, off_t offset) -> ssize_t {
std::string value = "123";
memcpy(buf, value.data(), value.size());
return value.size();
});
class MockMutexFsAccess : public L0::Sysman::FsAccessInterface {
public:
uint32_t mutexLockCounter = 0;
std::unique_lock<std::mutex> obtainMutex() override {
mutexLockCounter++;
std::unique_lock<std::mutex> mutexLock = L0::Sysman::FsAccessInterface::obtainMutex();
EXPECT_TRUE(mutexLock.owns_lock());
return mutexLock;
}
};
MockMutexFsAccess *tempFsAccess = new MockMutexFsAccess();
std::string fileName = {};
uint32_t iVal32;
uint32_t testReadCount = 10;
for (uint32_t i = 0; i < testReadCount; i++) {
fileName = "mockfile" + std::to_string(i) + ".txt";
EXPECT_EQ(ZE_RESULT_SUCCESS, tempFsAccess->read(fileName, iVal32));
}
EXPECT_EQ(tempFsAccess->mutexLockCounter, testReadCount);
delete tempFsAccess;
}
TEST(FdCacheTest, GivenValidFdCacheWhenCallingGetFdOnSameFileThenVerifyCacheIsUpdatedProperly) {
class MockFdCache : public FdCacheInterface {
public:
using FdCacheInterface::fdMap;
};
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return 1;
});
std::unique_ptr<MockFdCache> pFdCache = std::make_unique<MockFdCache>();
std::string fileName = {};
for (auto i = 0; i < L0::Sysman::FdCacheInterface::maxSize; i++) {
fileName = "mockfile" + std::to_string(i) + ".txt";
EXPECT_LE(0, pFdCache->getFd(fileName));
}
fileName = "mockfile0.txt";
for (auto i = 0; i < 3; i++) {
EXPECT_LE(0, pFdCache->getFd(fileName));
}
for (auto i = 1; i < L0::Sysman::FdCacheInterface::maxSize - 1; i++) {
fileName = "mockfile" + std::to_string(i) + ".txt";
EXPECT_LE(0, pFdCache->getFd(fileName));
}
// Get Fd after the cache is full.
EXPECT_LE(0, pFdCache->getFd("dummy.txt"));
// Verify Cache have the elements that are accessed more number of times
EXPECT_NE(pFdCache->fdMap.end(), pFdCache->fdMap.find("mockfile0.txt"));
// Verify cache doesn't have an element that is accessed less number of times.
EXPECT_EQ(pFdCache->fdMap.end(), pFdCache->fdMap.find("mockfile9.txt"));
}
TEST(FdCacheTest, GivenValidFdCacheWhenClearingCacheThenVerifyProperFdsAreClosedAndCacheIsUpdatedProperly) {
class MockFdCache : public FdCacheInterface {
public:
using FdCacheInterface::fdMap;
};
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return 1;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsClose)> mockClose(&NEO::SysCalls::sysCallsClose, [](int fileDescriptor) -> int {
EXPECT_EQ(fileDescriptor, 1);
return 0;
});
MockFdCache *pFdCache = new MockFdCache();
std::string fileName = {};
for (auto i = 0; i < L0::Sysman::FdCacheInterface::maxSize; i++) {
fileName = "mockfile" + std::to_string(i) + ".txt";
EXPECT_LE(0, pFdCache->getFd(fileName));
}
fileName = "mockfile0.txt";
for (auto i = 0; i < 3; i++) {
EXPECT_LE(0, pFdCache->getFd(fileName));
}
for (auto i = 1; i < L0::Sysman::FdCacheInterface::maxSize - 1; i++) {
fileName = "mockfile" + std::to_string(i) + ".txt";
EXPECT_LE(0, pFdCache->getFd(fileName));
}
// Get Fd after the cache is full.
EXPECT_LE(0, pFdCache->getFd("dummy.txt"));
// Verify Cache have the elements that are accessed more number of times
EXPECT_NE(pFdCache->fdMap.end(), pFdCache->fdMap.find("mockfile0.txt"));
// Verify cache doesn't have an element that is accessed less number of times.
EXPECT_EQ(pFdCache->fdMap.end(), pFdCache->fdMap.find("mockfile9.txt"));
delete pFdCache;
}
TEST_F(SysmanDeviceFixture, GivenSysfsAccessClassAndOpenSysCallFailsWhenCallingReadThenFailureIsReturned) {
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return -1;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsPread)> mockPread(&NEO::SysCalls::sysCallsPread, [](int fd, void *buf, size_t count, off_t offset) -> ssize_t {
std::string value = "123";
memcpy(buf, value.data(), value.size());
return value.size();
});
PublicSysfsAccess *tempSysfsAccess = new PublicSysfsAccess();
const std::string fileName = "mockFile.txt";
int iVal32;
errno = ENOENT;
EXPECT_EQ(ZE_RESULT_ERROR_NOT_AVAILABLE, tempSysfsAccess->read(fileName, iVal32));
delete tempSysfsAccess;
}
TEST_F(SysmanDeviceFixture, GivenValidPidWhenCallingProcfsAccessIsAliveThenSuccessIsReturned) {
VariableBackup<decltype(NEO::SysCalls::sysCallsStat)> mockStat(&NEO::SysCalls::sysCallsStat, &mockStatSuccess);
VariableBackup<bool> allowFakeDevicePathBackup(&SysCalls::allowFakeDevicePath, true);
auto procfsAccess = &pLinuxSysmanImp->getProcfsAccess();
EXPECT_TRUE(procfsAccess->isAlive(getpid()));
}
TEST_F(SysmanDeviceFixture, GivenInvalidPidWhenCallingProcfsAccessIsAliveThenErrorIsReturned) {
auto procfsAccess = &pLinuxSysmanImp->getProcfsAccess();
EXPECT_FALSE(procfsAccess->isAlive(reinterpret_cast<::pid_t>(-1)));
}
TEST_F(SysmanDeviceFixture, GivenValidPciPathWhileGettingCardBusPortThenReturnedPathIs1LevelUpThenTheCurrentPath) {
const std::string mockBdf = "0000:00:02.0";
const std::string mockRealPath = "/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/0000:02:01.0/" + mockBdf;
const std::string mockRealPath1LevelUp = "/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0";
std::string pciRootPort1 = pLinuxSysmanImp->getPciCardBusDirectoryPath(mockRealPath);
EXPECT_EQ(pciRootPort1, mockRealPath1LevelUp);
std::string pciRootPort2 = pLinuxSysmanImp->getPciCardBusDirectoryPath("device");
EXPECT_EQ(pciRootPort2, "device");
}
TEST_F(SysmanDeviceFixture, GivenSysfsAccessAndValidDeviceNameWhenCallingBindDeviceThenSuccessIsReturned) {
std::string_view deviceName = "card0";
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return 1;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsPwrite)> mockPwrite(&NEO::SysCalls::sysCallsPwrite, [](int fd, const void *buf, size_t count, off_t offset) -> ssize_t {
std::string_view deviceName = "card0";
return static_cast<ssize_t>(deviceName.size());
});
auto pSysfsAccess = &pLinuxSysmanImp->getSysfsAccess();
auto pSysmanKmdInterface = pLinuxSysmanImp->pSysmanKmdInterface.get();
EXPECT_EQ(ZE_RESULT_SUCCESS, pSysfsAccess->bindDevice(pSysmanKmdInterface->getGpuBindEntry(), deviceName.data()));
}
TEST_F(SysmanDeviceFixture, GivenSysfsAccessAndValidDeviceNameWhenCallingUnbindDeviceThenSuccessIsReturned) {
std::string_view deviceName = "card0";
VariableBackup<decltype(NEO::SysCalls::sysCallsOpen)> mockOpen(&NEO::SysCalls::sysCallsOpen, [](const char *pathname, int flags) -> int {
return 1;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsPwrite)> mockPwrite(&NEO::SysCalls::sysCallsPwrite, [](int fd, const void *buf, size_t count, off_t offset) -> ssize_t {
std::string_view deviceName = "card0";
return static_cast<ssize_t>(deviceName.size());
});
auto pSysfsAccess = &pLinuxSysmanImp->getSysfsAccess();
auto pSysmanKmdInterface = pLinuxSysmanImp->pSysmanKmdInterface.get();
EXPECT_EQ(ZE_RESULT_SUCCESS, pSysfsAccess->unbindDevice(pSysmanKmdInterface->getGpuUnBindEntry(), deviceName.data()));
}
TEST_F(SysmanMultiDeviceFixture, GivenValidEffectiveUserIdCheckWhetherPermissionsReturnedByIsRootUserAreCorrect) {
int euid = geteuid();
auto pFsAccess = &pLinuxSysmanImp->getFsAccess();
if (euid == 0) {
EXPECT_EQ(true, pFsAccess->isRootUser());
} else {
EXPECT_EQ(false, pFsAccess->isRootUser());
}
}
TEST(SysmanUnknownDriverModelTest, GivenDriverModelTypeIsNotDrmWhenExecutingSysmanOnLinuxThenErrorIsReturned) {
auto execEnv = new NEO::ExecutionEnvironment();
execEnv->prepareRootDeviceEnvironments(1);
execEnv->rootDeviceEnvironments[0]->setHwInfoAndInitHelpers(NEO::defaultHwInfo.get());
execEnv->rootDeviceEnvironments[0]->osInterface = std::make_unique<NEO::OSInterface>();
execEnv->rootDeviceEnvironments[0]->osInterface->setDriverModel(std::make_unique<NEO::MockDriverModel>());
auto pSysmanDeviceImp = std::make_unique<L0::Sysman::SysmanDeviceImp>(execEnv, 0);
auto pLinuxSysmanImp = static_cast<PublicLinuxSysmanImp *>(pSysmanDeviceImp->pOsSysman);
EXPECT_EQ(ZE_RESULT_ERROR_UNSUPPORTED_FEATURE, pLinuxSysmanImp->init());
}
TEST(SysmanTest, GivenDrmDriverModelWhenInitFailsDueToMissingZesInitSupportThenCleanupIsCalled) {
VariableBackup<SysmanProductHelperCreateFunctionType> sysmanProductHelperBackup(&sysmanProductHelperFactory[defaultHwInfo->platform.eProductFamily], []() -> std::unique_ptr<SysmanProductHelper> { return std::make_unique<MockSysmanProductHelper>(); });
VariableBackup<bool> sysmanInitFromCoreBackup(&sysmanInitFromCore, true);
auto execEnv = std::make_unique<NEO::ExecutionEnvironment>();
execEnv->prepareRootDeviceEnvironments(1);
execEnv->rootDeviceEnvironments[0]->setHwInfoAndInitHelpers(NEO::defaultHwInfo.get());
execEnv->rootDeviceEnvironments[0]->osInterface = std::make_unique<NEO::OSInterface>();
execEnv->rootDeviceEnvironments[0]->osInterface->setDriverModel(std::make_unique<NEO::MockDriverModel>(NEO::DriverModelType::drm));
auto driverModel = static_cast<NEO::MockDriverModel *>(execEnv->rootDeviceEnvironments[0]->osInterface->getDriverModel());
auto pSysmanDeviceImp = std::make_unique<L0::Sysman::SysmanDeviceImp>(execEnv.release(), 0);
auto pLinuxSysmanImp = static_cast<PublicLinuxSysmanImp *>(pSysmanDeviceImp->pOsSysman);
EXPECT_EQ(ZE_RESULT_ERROR_UNSUPPORTED_FEATURE, pLinuxSysmanImp->init());
EXPECT_EQ(1u, driverModel->cleanupCalled);
}
TEST(SysmanErrorCodeTest, GivenDifferentErrorCodesWhenCallingGetResultThenVerifyProperZeResultErrorIsReturned) {
EXPECT_EQ(ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS, LinuxSysmanImp::getResult(EPERM));
EXPECT_EQ(ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS, LinuxSysmanImp::getResult(EACCES));
EXPECT_EQ(ZE_RESULT_ERROR_NOT_AVAILABLE, LinuxSysmanImp::getResult(ENOENT));
EXPECT_EQ(ZE_RESULT_ERROR_HANDLE_OBJECT_IN_USE, LinuxSysmanImp::getResult(EBUSY));
EXPECT_EQ(ZE_RESULT_ERROR_UNKNOWN, LinuxSysmanImp::getResult(EEXIST));
}
TEST_F(SysmanDeviceFixture, GivenValidDeviceHandleWithInvalidPciDomainWhenCallingGenerateUuidFromPciBusInfoThenFalseIsReturned) {
std::array<uint8_t, NEO::ProductHelper::uuidSize> uuid{};
NEO::PhysicalDevicePciBusInfo pciBusInfo = {};
pciBusInfo.pciDomain = std::numeric_limits<uint32_t>::max();
uint32_t subDeviceId = 0;
bool result = pLinuxSysmanImp->generateUuidFromPciAndSubDeviceInfo(subDeviceId, pciBusInfo, uuid);
EXPECT_FALSE(result);
}
TEST_F(SysmanDeviceFixture, GivenValidDeviceHandleWithValidBdfInfoWhenCallingGetPciBdfInfoThenValidValuesAreReturned) {
PhysicalDevicePciBusInfo testPciBusInfo = {};
testPciBusInfo.pciDomain = 0x4D;
testPciBusInfo.pciBus = 0x1;
testPciBusInfo.pciDevice = 0x2A;
testPciBusInfo.pciFunction = 0xF;
pLinuxSysmanImp->pciBdfInfo = testPciBusInfo;
auto pPciBdfInfo = pLinuxSysmanImp->getPciBdfInfo();
EXPECT_EQ(testPciBusInfo.pciDomain, pPciBdfInfo->pciDomain);
EXPECT_EQ(testPciBusInfo.pciBus, pPciBdfInfo->pciBus);
EXPECT_EQ(testPciBusInfo.pciDevice, pPciBdfInfo->pciDevice);
EXPECT_EQ(testPciBusInfo.pciFunction, pPciBdfInfo->pciFunction);
}
TEST_F(SysmanDeviceFixture, GivenNullOsInterfaceObjectWhenRetrievingUuidsOfDeviceThenNoUuidsAreReturned) {
auto execEnv = new NEO::ExecutionEnvironment();
execEnv->prepareRootDeviceEnvironments(1);
execEnv->rootDeviceEnvironments[0]->setHwInfoAndInitHelpers(NEO::defaultHwInfo.get());
execEnv->rootDeviceEnvironments[0]->osInterface = std::make_unique<NEO::OSInterface>();
execEnv->rootDeviceEnvironments[0]->osInterface->setDriverModel(std::make_unique<NEO::MockDriverModel>());
auto pSysmanDeviceImp = std::make_unique<L0::Sysman::SysmanDeviceImp>(execEnv, 0);
auto pLinuxSysmanImp = static_cast<PublicLinuxSysmanImp *>(pSysmanDeviceImp->pOsSysman);
auto &rootDeviceEnvironment = (pLinuxSysmanImp->getSysmanDeviceImp()->getRootDeviceEnvironmentRef());
rootDeviceEnvironment.osInterface = nullptr;
std::vector<std::string> uuids;
pLinuxSysmanImp->getDeviceUuids(uuids);
EXPECT_EQ(0u, uuids.size());
}
TEST_F(SysmanDeviceFixture, GivenInvalidPciBusInfoWhenRetrievingUuidThenFalseIsReturned) {
DebugManagerStateRestore restore;
auto execEnv = new NEO::ExecutionEnvironment();
execEnv->prepareRootDeviceEnvironments(1);
execEnv->rootDeviceEnvironments[0]->setHwInfoAndInitHelpers(NEO::defaultHwInfo.get());
execEnv->rootDeviceEnvironments[0]->osInterface = std::make_unique<NEO::OSInterface>();
auto driverModel = std::make_unique<NEO::MockDriverModel>();
driverModel->pciSpeedInfo = {1, 1, 1};
PhysicalDevicePciBusInfo pciBusInfo = {};
pciBusInfo.pciDomain = std::numeric_limits<uint32_t>::max();
driverModel->pciBusInfo = pciBusInfo;
execEnv->rootDeviceEnvironments[0]->osInterface->setDriverModel(std::move(driverModel));
auto pSysmanDeviceImp = std::make_unique<L0::Sysman::SysmanDeviceImp>(execEnv, 0);
auto pLinuxSysmanImp = static_cast<PublicLinuxSysmanImp *>(pSysmanDeviceImp->pOsSysman);
debugManager.flags.EnableChipsetUniqueUUID.set(0);
std::array<uint8_t, NEO::ProductHelper::uuidSize> uuid{};
uint32_t subDeviceId = 0;
bool result = pLinuxSysmanImp->getUuidFromSubDeviceInfo(subDeviceId, uuid);
EXPECT_FALSE(result);
}
struct MockSysmanLinuxProductHelper : public ProductHelperHw<IGFX_UNKNOWN> {
MockSysmanLinuxProductHelper() = default;
bool getUuid(DriverModel *driverModel, const uint32_t subDeviceCount, const uint32_t deviceIndex, std::array<uint8_t, ProductHelper::uuidSize> &uuid) const override {
auto pDrm = driverModel->as<Drm>();
if (pDrm->getFileDescriptor() >= 0) {
return true;
}
return false;
}
};
TEST_F(SysmanDeviceFixture, GivenValidDeviceWhenRetrievingUuidThenValidFdIsVerifiedInProductHelper) {
std::unique_ptr<ProductHelper> mockProductHelper = std::make_unique<MockSysmanLinuxProductHelper>();
auto pSysmanDeviceImp = std::make_unique<L0::Sysman::SysmanDeviceImp>(execEnv, 0);
auto pLinuxSysmanImp = static_cast<PublicLinuxSysmanImp *>(pSysmanDeviceImp->pOsSysman);
auto &rootDeviceEnvironment = (pLinuxSysmanImp->getSysmanDeviceImp()->getRootDeviceEnvironmentRef());
std::swap(rootDeviceEnvironment.productHelper, mockProductHelper);
std::array<uint8_t, NEO::ProductHelper::uuidSize> uuid{};
uint32_t subDeviceId = 0;
bool result = pLinuxSysmanImp->getUuidFromSubDeviceInfo(subDeviceId, uuid);
EXPECT_TRUE(result);
std::swap(rootDeviceEnvironment.productHelper, mockProductHelper);
}
} // namespace ult
} // namespace Sysman
} // namespace L0
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